feat: SearchManga endpoint + tests

tests/Domain/Manga/Adapter/InMemoryMangaProvider.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Tests\Domain\Manga\Adapter;
+
+use App\Domain\Manga\Domain\Contract\Provider\MangaProviderInterface;
+use App\Domain\Manga\Domain\Model\Manga;
+use App\Domain\Manga\Domain\Model\MangaCollection;
+
+class InMemoryMangaProvider implements MangaProviderInterface
+{
+    /** @var Manga[] */
+    private array $mangas;
+
+    /**
+     * @param Manga[] $mangas
+     */
+    public function __construct(array $mangas = [])
+    {
+        $this->mangas = $mangas;
+    }
+
+    public function search(string $title): MangaCollection
+    {
+        $results = array_filter(
+            $this->mangas,
+            fn (Manga $manga) => str_contains(
+                strtolower($manga->getTitle()->getValue()),
+                strtolower($title)
+            )
+        );
+
+        return new MangaCollection($results);
+    }
+}